code: def test_gcd_check_boundary_cases(self, xp, dtype):
      a = xp.array([0, -10, -5, 10, 410, 1, 6, 33])
      b = xp.array([0, 5, -10, -5, 20, 51, 6, 42])
      return xp.gcd(a, b)
  
file_path: cupy/tests/cupy_tests/math_tests/test_rational.py
imports: import unittest
  import pytest
  import cupy
  from cupy import testing
label_desc: Use image node_id 2 for calling the TestRational obj's underlying member method code with example usage: obj.test_gcd_check_boundary_cases(xp, dtype) and returns: xp